ambassador to the united nations susan rice goes on five sunday talk shows and called it spontaneous. >> this was not a preplanned, premedicated attack. >> september 17. >> simply on the basis of what ambassador rice has publicly disclosed, does the united states government regard what happened in benghazi as act of terror? >> again, i'm not going to put labels thon until we have a complete investigation. >> you don't regard it as act of terrorism? >> i don't think we know enough. i don't think we know enough. >> bret: september 18 on the "david letterman show." >> is this an act of war? are we at war now? what happened here? >> here is what happened. you had a video released by somebody who lives here, shadowy character who is extremely offensive video directed at muhammad and islam. >> making fun of the prophet muhammad. >> making fun of the prophet muhammad. so this caused great offense in much of the muslim world. but what also happened is extremists and terrorists. use this as excuse. to attack variety of the embassies including the consulate in libya. >> september 19 on capitol